Audio Recording of the Earning Conference call with Investor & Analyst - Q2 Results FY 2026-27

Date: November 05, 2026 To, To, The Manager The Manager Listing Department Corporate Relationship Department National Stock Exchange of India Limited BSE Limited Exchange Plaza, Bandra Kurla Complex Floor 25, Phiroze Jeejeebhoy Towers, Bandra (East), Dalal Street, Mumbai - 400 051 Mumbai - 400 001 NSE Symbol: DIFFNKG BSE Scrip Code - 544264 Dear Sir/Madam, Subject: Audio recording of the Earning Conference Call with Investor & Analyst – Q2 Results FY 2026-27 Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, the audio recording of the Investor & Analyst meet held on November 05, 2026 on the Un-Audited Financial Results of the Company for the quarter and half year ended September 30, 2026, has been made available https://www.diffusionengineers.com/investors-relation on the Company’s Website i.e The link for the same is mentioned below: https://diffusionengineers.com/wp-content/uploads/2026/11/audio-link-q2-fy-2026-27.mp3 Thanking You. Yours faithfully, For Diffusion Engineers Limited Chanchal Jaiswal Company Secretary and Compliance Officer ICSI Membership no. A67136